Accession Number : ADA299363

Title :   Navier-Stokes Computations of Finned Kinetic Energy Projectile Base Flow.

Descriptive Note : Final rept. May 89-May 95,

Corporate Author : ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD

Personal Author(s) : Guidos, Bernard J.

PDF Url : ADA299363

Report Date : SEP 1995

Pagination or Media Count : 65

Abstract : A computational fluid dynamics (CFD) study of finned kinetic energy projectile base flow is presented for a 105-mm M735 projectile in supersonic flight. A parabolized Navier-Stokes technique is used to compute the attached flow of the forebody and fins. An unsteady Navier-Stokes technique is used to compute the flow in the base region. Several CFD solutions for freestream Mach numbers 3, 4, and 5 are presented, and the modeling approach and computational requirements are discussed. The computed zero-yaw drag coefficients are compared to range-acquired values, and the computed base flow structure is briefly examined.

Descriptors :   *COMPUTATIONAL FLUID DYNAMICS, *KINETIC ENERGY PROJECTILES, *NAVIER STOKES EQUATIONS, *FINS, *BASE FLOW, REQUIREMENTS, COMPUTATIONS, MODEL THEORY, REGIONS, PARABOLAS, SUPERSONIC FLIGHT, ATTACHMENT.

Subject Categories : Ammunition and Explosives
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE